Heater Is Very Loud When On. - HVAC - DIY Chatroom Home Improvement Forum


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Old 12-15-2008, 08:01 PM   #1
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heater is very loud when on.


At the begins of this year we got an HVAC unit installed through sears at hour house. One of the thing that bothered me was how loud this thing was when it is on. I know the topics say heater, but it is the heater and the AC that gets very loud.
I'll try my best to explain it. It sounds like very loud wind noise. I believe it is the air that is being sucked into the furnace or so. Before we got this unit installed, there was a small box about 2x2x4 feet in size under the furnace. Inside that box there was foam or fiberglass clothe looking like material that I removed from it because it was so dirty. Now it is just metal.

Here are some pics to see what I am talking about.


Here is the inside.



Could that be the problem because I have nothing inside? If so what is that thing called so I will know what to ask for when I go buy it.

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Last edited by SuperAkuma; 12-15-2008 at 08:43 PM.
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Old 12-15-2008, 08:34 PM   #2
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heater is very loud when on.


I cant see your pics,,but my first guess is you threw away the filter cloth. Was it shaped in a u shape and covered one side of the duct?? If so probably the kind that comes in a roll and you cut to length.(unless it had a cheapo cardboard frame around it) Get some back in there,cause your motor and fan wont last long otherwise

Is it your cold air vents that are undersized and screaming noisy?? LOTS of undersized cold airs out there. Take the covers off and see whats back there. Sometimes just a mousehole cut behind a BIG grill(had one of those once,,, was sooo small it whistled) LOTS of non good HVAC workers out there,,,get in,getter done,get out,quick. All there attention is on heat runs,little on cold air returns

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Old 12-15-2008, 08:45 PM   #3
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heater is very loud when on.


Sorry about that I fixed the link
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Old 12-16-2008, 09:40 AM   #4
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heater is very loud when on.


If you remove the service panel where your blower is, hold down the safety switch, and run the furnace with the panel off and the sound goes away it indicates your returns and/or supplies are undersized.
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Old 12-16-2008, 11:00 AM   #5
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heater is very loud when on.


That's an ICP entry leve 80%. I handle those and I am sorry yo inform you that unit is not very quit. It's made for mostly basement and attic scenarios where there is some distance and flooring to muffle the operation noise.

I would have advised you against such a unit going into a closet being close to the living space.
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Old 12-16-2008, 07:57 PM   #6
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heater is very loud when on.


Quote:
Originally Posted by dac122 View Post
If you remove the service panel where your blower is, hold down the safety switch, and run the furnace with the panel off and the sound goes away it indicates your returns and/or supplies are undersized.
I am not sure what you mean by service panel. Is that on the top? Where is the safety switch? I am sorry but I don't know much about it. I will try to take some more pictures tomorrow to show the inside of the unit. Maybe that will help.

hvaclover
I understand that this unit was an entry level but I didn't think it was this loud. Personally it does not bother me but it really bothers my mom.

Is there anyway to make it more quite?
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Old 12-16-2008, 10:10 PM   #7
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heater is very loud when on.


none that would be cost effective, sorry.

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